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M18x99mm Titanium Grade 5 Hex Cap Screw | High Strength

Expert Overview

Engineered from aerospace-grade Titanium Grade 5, this M18x99mm hex head cap screw offers exceptional strength-to-weight ratio and superior corrosion resistance. Ideal for demanding environments.

StandardASME B18
MaterialTitanium Grade 5
FinishPlain
GradeN/A
SizeM18
Length99mm
Head Width35mm

Detailed Engineering Specifications

Built to exacting engineering tolerances, this M18 x 99mm hex head cap screw features a 35mm head width for robust torque application. Fabricated from Titanium Grade 5 (Ti-6Al-4V), it exhibits a tensile strength of approximately 950 MPa and excellent fatigue resistance, making it ideal for aerospace, marine, and chemical processing applications where extreme performance and durability are paramount. Its biocompatibility also lends itself to specialized medical implant fixtures. Standard ISO metric threading ensures broad compatibility.

🧊 Download 3D CAD Model (.STEP)

Verified Global OEM Partners

This component strictly adheres to the tolerances, material specifications, and quality benchmarks set by the world's leading industrial manufacturers.

BossardEst. 1831
Switzerland🇨🇭
"Global leader in fastening technology."
Market Rank
🏆 Top 3 Global Fastener Network
Industry Approvals
🚀 Aerospace & Tesla Approved
Warranty & Support
🛡️ Lifetime Traceability
Green Manufacturing
🌱 Carbon Neutral by 2030
Certified:ISO 9001, RoHS, REACH
Würth GroupEst. 1945
Germany🇩🇪
"Premium assembly and fastening materials."
Market Rank
🏆 #1 Global Assembly Supplier
Industry Approvals
🚀 VW & BMW OEM
Warranty & Support
🛡️ 5-Year Industrial Warranty
Green Manufacturing
🌱 100% Recyclable Packaging
Certified:ISO 9001, DIN EN
Brighton-BestEst. 1925
USA🇺🇸
"Master distributor of industrial fasteners."
Market Rank
🏆 Largest Distributor in NA
Industry Approvals
🚀 Boeing Approved
Warranty & Support
🛡️ Global Replacement Guarantee
Green Manufacturing
🌱 Green Steel Initiative
Certified:ISO 9001, A2LA

Certifications & Compliance

RoHS Compliant:Yes
REACH Compliant:Yes
Material Traceability:Available on Request
DFARS Compliant:N/A

Installation Procedure

1. Clean both threaded components and the screw threads to ensure debris-free engagement. 2. Apply a small amount of appropriate anti-seize compound to the threads if operating in a corrosive environment or to prevent galling. 3. Thread the screw in by hand to start, ensuring no cross-threading, and then tighten to the specified torque using a calibrated torque wrench.

Equivalent Standards (Cross-Reference)

Standard SystemDesignation
ISO EquivalentISO 898-1 / ISO 4014
DIN EquivalentDIN 931 / DIN 933
Primary StandardASME B18

Mechanical Properties

Tensile StrengthStandard Commercial Spec
Yield StrengthStandard Commercial Spec
HardnessVaries by specific batch

Temperature & Environment Rating

Min Operating Temp
-20°F (-29°C)
Max Continuous Temp
400°F (204°C)
Thermal Expansion
Typical for Material Class

Recommended Torque Values

Bolt SizeDry Torque (ft-lbs)Lubricated Torque (ft-lbs)
M18Check CalculatorReduce by 25%

Weight Reference Table

Size / TypeEst. Weight (lbs/100)Shipping Weight (kg)
M18Varies by dimensionContact Sales

Corrosion Resistance Guide

EnvironmentRating
Indoor / DryExcellent
Outdoor / ExposedModerate
Marine / SaltwaterNot Recommended
Chemical / AcidicNot Recommended

Common Mistakes & How to Avoid Them

❌ Mistake✅ Correct Approach
Over-tightening leading to thread stripping or fastener failure.Always consult torque specifications for the specific application and use a calibrated torque wrench.
Using inadequate tools which can damage the hex head or the fastener itself.Utilize properly sized and high-quality tools, such as impact-rated sockets, to prevent cam-out and damage.
Failing to use anti-seize in corrosive environments, leading to galling and difficulty during disassembly.Apply a suitable anti-seize compound specifically designed for titanium fasteners in environments prone to corrosion or galling.

Common Applications

  • Aerospace structural components
  • Marine and offshore equipment
  • High-performance automotive and racing applications
  • Chemical processing equipment
  • Medical device manufacturing

⚠️ Engineering Warnings

  • Titanium Grade 5 can gall under high friction. Use appropriate lubrication or anti-seize compound.
  • Ensure proper torque values are used to avoid fastener failure or damage to mating components.

Alternative Products to Consider

Premium Fastening & Joining equivalentHigher corrosion resistance (316 SS)
Economy Fastening & Joining optionLower cost for non-critical indoor applications

Frequently Asked Questions

Q: What is the Hex Head Cap Screw, Titanium Grade 5 made from?

A: This Hex Head Cap Screw, Titanium Grade 5 is manufactured from Titanium Grade 5.

Q: What are the main applications?

A: Aerospace structural components, Marine and offshore equipment, High-performance automotive and racing applications, Chemical processing equipment, Medical device manufacturing.

Technical Schematic

HEX BOLT DIAGRAMSAE J429 / ASME B18.2.1HEXHEADLENGTH = 99mmAF35mm1/2"-13TIGHTEN →MECHANICAL PROPERTIESTensile Strength: 150,000 psiThread: 1/2"-13 UNCTorque Direction: Clockwise (CW)Head Marking: 6 radial lines (Grade 8)

Torque Specifications

⚡ UNIT CONVERTER

Conversion factor: 1 ft-lb ≈ 1.356 Nm

Verified Compatibility

StatusMating ComponentStandardTorque SpecEngineering Notes
No verified compatibility data found for this component.